Sink



FIG. 1 is a perspective view taken from the top, front, and right sideof a sink showing my new design;

FIG. 2 is a top plan view of the sink shown in FIG. 1;

FIG. 3 is a bottom view of the sink shown in FIG. 1;

FIG. 4 is a front elevational view of the sink shown in FIG. 1;

FIG. 5 is a rear elevational view of the sink shown in FIG. 1;

FIG. 6 is a left elevational side view of the sink shown in FIG. 1; and,

FIG. 7 is a right elevational side view of the sink shown in FIG. 1.

The broken lines are for illustration purposes only and form no part ofthe claimed design.

The ornamental design for a sink, as shown and described.